Search Results: 'American Underground Construction Association'

Forward thrust
26 December, 2011
The team behind the Herrenknecht direct pipe method takes a look at the achievements of the system since its launch some four years ago

Golden Beaver Award for Jacobs Associates boss
22 November, 2011

Critchfield joins Parsons Brinckerhoff
17 November, 2011

Concrete control
14 June, 2011
BASF’s Tarek Khan and Lauro Lacerda explain the role of admixtures in developing sustainable concrete for tunnels in California

Metro ventilation
14 February, 2011
Paul C Miclea, director of Aecom Global Tunnel Ventilation Services, Oakland, California, discusses the ventilation demands on modern metro station design and the essential considerations of space for ventilation facilities for both normal running and emergency requirements